{"product_id":"square-d-qob230-30a-240v-2-pole-bolt-on-circuit-breaker","title":"Square D QOB230 - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB230—a precision-engineered 30A, 240V, 2-pole bolt-on molded case circuit breaker designed to safeguard electrical panels with reliability and ease. Built for dependable branch circuit overcurrent and short-circuit protection, it delivers a secure, long-lasting connection in panelboards and load centers.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e for a rigid, vibration-resistant bus connection that stays put through the life of the panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by handling both overload (thermal) and short-circuit (magnetic) events with fast, predictable response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e engineered to pair with matching Square D load centers and panelboards for a clean, straightforward install.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial panels where reliability and secure connections matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Square D\u003c\/li\u003e \u003cli\u003ePart Number: QOB230\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 30A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eExpanding a residential or light commercial panel where bolt-on breakers are required for a secure bus connection.\u003c\/li\u003e \u003cli\u003eUpgrading subpanels or service centers that demand stable performance under continuous load and occasional fault conditions.\u003c\/li\u003e \u003cli\u003eProtecting lighting, receptacle, and general-power circuits in spaces prone to vibration or movement where a tightened, vibration-resistant connection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the QOB230\u003c\/h3\u003e\n\u003cp\u003eRather than a generic breaker, the QOB230 is purpose-built for dependable, repeatable protection in Square D panel ecosystems. Its bolt-on design reduces the risk of loosening over time, while the thermal-magnetic trip unit provides precise fault clearing without nuisance trips, keeping downstream equipment safe and uptime high. For installers and end users, this breaker means a reliable fit, straightforward mounting, and clear protection for critical circuits in varied environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355411468450,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_f59608c4-b348-42bf-a49a-25513912f9ac.png?v=1764691939","url":"https:\/\/www.ampstate.com\/products\/square-d-qob230-30a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}